flexible/sparkjava build is broken #433
Description
It appears to need version 0.6.0 of the Google Cloud Client Library (it is using 0.4.0 now). Compile error:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project spark: Compilation failure: Compilation failure: [ERROR] .../java-docs-samples/flexible/sparkjava/src/main/java/com/google/appengine/sparkdemo/UserService.java:[45,48] cannot find symbol [ERROR] symbol: method setKind(java.lang.String) [ERROR] location: class com.google.cloud.datastore.KeyFactory [ERROR] .../java-docs-samples/flexible/sparkjava/src/main/java/com/google/appengine/sparkdemo/UserService.java:[54,14] cannot find symbol [ERROR] symbol: method newGqlQueryBuilder(com.google.cloud.datastore.Query.ResultType<com.google.cloud.datastore.Entity>,java.lang.String) [ERROR] location: class com.google.cloud.datastore.Query [ERROR] .../java-docs-samples/flexible/sparkjava/src/main/java/com/google/appengine/sparkdemo/UserService.java:[82,27] cannot find symbol [ERROR] symbol: method newBuilder(com.google.cloud.datastore.Key) [ERROR] location: class com.google.cloud.datastore.Entity [ERROR] .../java-docs-samples/flexible/sparkjava/src/main/java/com/google/appengine/sparkdemo/UserService.java:[110,22] cannot find symbol [ERROR] symbol: method newBuilder(com.google.cloud.datastore.Entity) [ERROR] location: class com.google.cloud.datastore.Entity [ERROR] .../java-docs-samples/flexible/sparkjava/src/main/java/com/google/appengine/sparkdemo/Main.java:[39,25] cannot find symbol [ERROR] symbol: method getDefaultInstance() [ERROR] location: class com.google.cloud.datastore.DatastoreOptions